Microsoft Research has released a new tool to help pinpoint large-scale typo-squatters that are known to be gaming pay-per-click domain parking services.

The lightweight prototype, called Strider URL Tracer, builds on the work within Microsoft's Cybersecurity and Systems Management group to keep tabs on a sophisticated typo-squatting scheme that uses multilayer URL redirection to make money from Google's AdSense for domains program.

Many cyber-squatters will register these typo-domains and fill them with adult advertising or other inappropriate content. The tool also enables parents to block typo-squatting domains that serve adult ads on typos of children's Web sites.

To scan a web site, type its URL into the Tracer Address bar and click then "Scan Site" button. The URL Tracer will start up a new instance of Microsoft IE to scan the site.

To determine possible typo-domains, URL Tracer uses deliberatly misses dot typos, character omission typos, character permutation typos, character replacement typos and character insertion typos.

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